package cn.edu.wit.servlets;

import cn.edu.wit.beans.Clazz;
import cn.edu.wit.beans.Student;
import cn.edu.wit.dao.ClazzDAO;
import cn.edu.wit.dao.StudentDAO;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

public class StudentQueryServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//1.���յ���޸Ĵ��ݹ�����ѧ��
		String stuNum = request.getParameter("snum");
		
		//2.��ѯ�����ѧ�Ŷ�Ӧ��ѧ����ԭʼ��Ϣ
		Student s = new StudentDAO().queryStudent(stuNum);
		
		List<Clazz> cs = new ClazzDAO().listClasses();
		//3.��ѧ����ԭʼ��Ϣ���ݵ��޸�ҳ��
		request.setAttribute("s", s);
		request.setAttribute("cs", cs);
		request.getRequestDispatcher("stu_modify.jsp").forward(request, response);
		
	}

}
